/* Design tokens - all colors, spacing, typography, and transitions */

:root {
  /* Color palette - dark theme */
  --color-bg: #0f1117;
  --color-surface: #1a1d27;
  --color-surface-hover: #22263a;
  --color-border: #2d3148;
  --color-text-primary: #e8eaf6;
  --color-text-secondary: #9094b3;
  --color-accent: #5c6bc0;
  --color-accent-hover: #7986cb;

  /* Urgency colors */
  --color-urgent: #ef5350;
  --color-warning: #ff9800;
  --color-attention: #ffd54f;
  --color-normal: #66bb6a;
  --color-past: #616161;

  /* Category badge colors */
  --color-cat-ml: #7c4dff;
  --color-cat-cv: #00bcd4;
  --color-cat-nlp: #4caf50;
  --color-cat-dm: #ff7043;
  --color-cat-se: #f06292;

  /* Typography */
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;

  /* Font weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --max-width: 75%;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

@media (prefers-color-scheme: light) {
  :root {
    /* Light theme color overrides */
    --color-bg: #ffffff;
    --color-surface: #f5f7fa;
    --color-surface-hover: #eef0f6;
    --color-border: #d5dce3;
    --color-text-primary: #1a1d27;
    --color-text-secondary: #565d6a;
    --color-accent: #5c6bc0;
    --color-accent-hover: #3d47a1;

    /* Urgency colors (adjusted for light theme) */
    --color-urgent: #d32f2f;
    --color-warning: #f57c00;
    --color-attention: #fbc02d;
    --color-normal: #388e3c;
    --color-past: #999999;
  }
}